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Showing posts with the label Unix

Subprocess Stdout/stderr To Finite Size Logfile

I have a process which chats a lot to stderr, and I want to log that stuff to a file. foo 2> /… Read more Subprocess Stdout/stderr To Finite Size Logfile

How To Export All Hive Databases And Their Tables To A Csv Or Txt Fiile

I am trying to output all tables in a database to an csv or text file. I can output all the databas… Read more How To Export All Hive Databases And Their Tables To A Csv Or Txt Fiile

Python - How To Check If A File Is Used By Another Application?

I want to open a file which is periodically written to by another application. This application can… Read more Python - How To Check If A File Is Used By Another Application?

How To Split A Huge Csv File Based On Content Of First Column?

I have a 250MB+ huge csv file to upload file format is group_id, application_id, reading and data c… Read more How To Split A Huge Csv File Based On Content Of First Column?

Is There A Way To Determine If A Subdirectory Is In The Same Filesystem From Python When Using Os.walk?

I'm writing a python script that uses os.walk() to walk a directory tree. I'd like to give… Read more Is There A Way To Determine If A Subdirectory Is In The Same Filesystem From Python When Using Os.walk?

Python's Subprocess Module Returning Different Results From Unix Shell

I'm trying to get a list of the CSV files in a directory with python. This is really easy withi… Read more Python's Subprocess Module Returning Different Results From Unix Shell

How To Pass Parameter To Python Script From Unix

I have been researching over the internet like How to pass parameter to inside python code which is… Read more How To Pass Parameter To Python Script From Unix

Pipe Output From Shell Command To A Python Script

I want to run a mysql command and set the output of that to be a variable in my python script. Here… Read more Pipe Output From Shell Command To A Python Script

Ensuring That My Program Is Not Doing A Concurrent File Write

I am writing a script that is required to perform safe-writes to any given file i.e. append a file … Read more Ensuring That My Program Is Not Doing A Concurrent File Write

How To Use Environment Variables In Blender

I added a enviroment variable writing in the ~/.bashrc file this two line var='stuff..' e… Read more How To Use Environment Variables In Blender

Python: Assign Print Output To A Variable

I would like to know how to assign the output of the print function (or any function) to a variable… Read more Python: Assign Print Output To A Variable

Equivalent To The Find Coreutil Command In Python 3 For Recursively Returning All Files And Folders In A Directory Structure?

What is best alternative to find in python (3) for recursively returning all files and folders in a… Read more Equivalent To The Find Coreutil Command In Python 3 For Recursively Returning All Files And Folders In A Directory Structure?

Can I Use An Alias To Execute A Program From A Python Script

I am almost brand new to python scripting, so please excuse any stupid questions, but any help anyo… Read more Can I Use An Alias To Execute A Program From A Python Script

Shell: Prompt User To Enter A Directory Path

I'm looking for a Bash equivalent of Python's os.path.join. I'm trying to prompt the us… Read more Shell: Prompt User To Enter A Directory Path

How Do I Write A Unix Filter In Python?

I want to write a program that reads stdin (unbuffered) and writes stdout (unbuffered) doing some t… Read more How Do I Write A Unix Filter In Python?

Efficiently Remove Lines From Filea That Contains String From Fileb

FileA contains lines FileB contains words How can I efficiently remove lines from FileB containing … Read more Efficiently Remove Lines From Filea That Contains String From Fileb

Import Java Importerror: No Module Named Java

I seemed to have hit a roadblock and can't figure this out at all, can anyone help me figure ou… Read more Import Java Importerror: No Module Named Java

How Can I Exit A Python3 Script After 5 Minutes

I have a script that was copying data from SD card. Due to the huge amount of files/filesize, this … Read more How Can I Exit A Python3 Script After 5 Minutes

Need Character-by-character Keyboard Input That Interacts Well With Paste And Ansi Escape Sequences

My program (a 'TRAC Processor') uses character-by-character input. I am implementing readli… Read more Need Character-by-character Keyboard Input That Interacts Well With Paste And Ansi Escape Sequences

Add A Password (unattended) To Existing Xlsx Without Windows Exclusive Tools

I'm generating an xlsx file using Openpyxl. And i'd like to protect the workbook itself usi… Read more Add A Password (unattended) To Existing Xlsx Without Windows Exclusive Tools